Simple Mail Transfer Protocol (SMTP) is a set of rules used while sending emails. Usually, this protocol is associated with IMAP or POP3. However, SMTP is utilized to deliver messages, while POP3 and IMAP are utilized to receive them.
The SMTP testing tool identifies issues with email security in your server that can hinder your email delivery. It checks the health status of your outgoing email server and notifies you about the detected problems, such as connectivity issues, and how to tackle them. An SMTP test tool can identify SMTP server issues and troubleshoot them to keep your email secure and safe.
The SSL Checker tool can verify that the SSL Certificate on your web server is properly installed and trusted.
Cloudflare, Inc. is an American company that provides content delivery network services, cloud cybersecurity, DDoS mitigation, and ICANN-accredited domain registration services.
Registration of international domains can be done through NIC.UA website.
Mailtrap.io is Email Delivery Platform for individuals and businesses to test, send and control email infrastructure in one place.
Infinityfree.com provide free website hosting with PHP and MySQL and no Ads in your website.
The book consists from the following sections: